---
product_id: 73259122
title: "Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4\"-20 - Qty 25"
brand: "raw products corp"
price: "S$109"
currency: SGD
in_stock: true
category: "Raw Products Corp"
url: https://www.desertcart.sg/products/73259122-tri-groove-tamper-proof-security-nuts-zamak-5-zinc-1
store_origin: SG
region: Singapore
---

# Tamper-proof Tri-Groove drive Zamak 5 Zinc Alloy strength 1/4"-20 coarse thread size Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25

**Brand:** raw products corp
**Price:** S$109
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in security with style — because your projects deserve the best!

## Quick Answers

- **What is this?** Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 by raw products corp
- **How much does it cost?** S$109 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/73259122-tri-groove-tamper-proof-security-nuts-zamak-5-zinc-1)

## Best For

- raw products corp enthusiasts

## Why This Product

- Trusted raw products corp brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Fit:** Standard 1/4"-20 coarse threads for reliable, commercial-grade fastening.
- • **Bulk Pack Advantage:** 25-piece set ideal for large projects or ongoing security upgrades—never run out.
- • **Premium Alloy Power:** Crafted from Zamak 5 Zinc Alloy with copper for enhanced strength and corrosion resistance.
- • **Unbreakable Security:** Tri-Groove design ensures exclusive driver access, eliminating unauthorized tampering.
- • **Sleek & Durable Finish:** Polished silver exterior blends professional aesthetics with long-lasting performance.

## Overview

These Tri-Groove Tamper Proof Security Nuts are precision-engineered from Zamak 5 Zinc Alloy, combining zinc, aluminum, and copper for superior strength and corrosion resistance. Featuring a unique tri-groove drive, they require specialized drivers for installation and removal, ensuring maximum tamper resistance. Sized at 1/4"-20 with a polished silver finish, this 25-pack is perfect for professional-grade security fastening applications.

## Description

Buy Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25: Tamper-Resistant Nuts - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- High quality tamper proof security nuts
- Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper.
- The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys.
- Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts.
- May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0711DGQP4 |
| Best Sellers Rank | #929,247 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #44 in Tamper-Resistant Nuts |
| Brand | RAW PRODUCTS CORP |
| Color | Silver |
| Customer Reviews | 3.6 3.6 out of 5 stars (7) |
| Drive Style | Tri-Groove |
| Exterior Finish | Aluminum,Copper,Aluminium,Zinc |
| Fastener Type | Tamper Resistant |
| Finish Types | Polished |
| Grade Rating | commercial |
| Inside Thread Size | 1/4' |
| Item Diameter | 0.25 inches |
| Item Dimensions | 1 x 1 x 1 inches |
| Item Weight | 16 ounces |
| Manufacturer | RAW PRODUCTS CORP |
| Material Type | Zinc |
| Metal Type | Aluminum, Copper, Magnesium, Zinc |
| Number Of Items | 25 |
| Number of Packs | 1 |
| Number of Pieces | 25 |
| Outside Diameter | 0.25 inches |
| Part Number | 6206-022-0024 |
| Set Name | Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 (25 Pack) |
| Size Name | 1/4" |
| Thread Class | Coarse |
| Thread Size | 1/4" |
| Thread Style | External, Tri Groove |
| Thread Type | Unified National |
| UPC | 720572143379 |
| Unit Count | 25 Count |

## Product Details

- **Color:** Silver
- **Exterior Finish:** Aluminum,Copper,Aluminium,Zinc
- **Fastener Type:** Tamper Resistant
- **Material:** Zinc
- **Thread Size:** 1/4"

## Images

![Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 - Image 1](https://m.media-amazon.com/images/I/51dr1tAWSDL.jpg)
![Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 - Image 2](https://m.media-amazon.com/images/I/31DNAxcBExL.jpg)
![Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 - Image 3](https://m.media-amazon.com/images/I/31JAEb4eSZL.jpg)
![Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 - Image 4](https://m.media-amazon.com/images/I/415noMjrUxL.jpg)
![Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25 - Image 5](https://m.media-amazon.com/images/I/B10VHTYXphS.jpg)

## Questions & Answers

**Q: Will these nuts fit the simpson concrete anchor bolts?  i want to secure some benches in an out-door location, and i don't want anyone with a wrench..**
A: They are coarse thread

## Frequently Bought Together

- Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4"-20 - Qty 25
- Tamper Proof Security Nut Sockets #20, Fits 1/4" 10-24, 10-32 and 6mm Tri-groove nuts, INSTALLATION TOOL 420, LPF420, 20TRI

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**Shop now:** [https://www.desertcart.sg/products/73259122-tri-groove-tamper-proof-security-nuts-zamak-5-zinc-1](https://www.desertcart.sg/products/73259122-tri-groove-tamper-proof-security-nuts-zamak-5-zinc-1)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-21*